5.2 Source Description
The sources are sealed sources of Ce-139 (models CAL2600 and HEGL-0142) that are on the Sealed
Source and Device Registry, with an activity of 10 microcurie each. The license should allow up to 40
microcurie, such that two sets can be on site when they are changed out once a year. The sources are
manufactured by Eckert and Zeigler - Isotope Products (EZIP). The CAL2600 is a standard EZIP product,
and the HEGL-0142 is custom made for Dilon.
The CAL2600 source is registered under the Sealed Source and Device Registry in California
(SS&DR CA-0406-S-106-S). Principal use code is (X) Medical Reference.
The HEGL-0142 source is registered under the Sealed Source and Device Registry in California
(SS&DR CA-0406-S-238-S). Principal use code is again (X) Medical Reference